Very rough idle - Page 2 - JeepForum.com

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post #16 of 20 Old 04-15-2012, 10:11 AM Thread Starter
Bannerman53
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1996 ZJ 
 
Join Date: Feb 2012
Location: Wilmington
Posts: 73
I cant wiggle the injectors while it is running because it wont run. The only way to keep the engine going is to keep my foot on the gas pedal. It goes fine through all the rpms but once i take my foot of it just dies . If I rev it for 2-3 minutes it will idle correctly again, but I don't want to be doing that every morning.

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post #17 of 20 Old 04-15-2012, 10:22 AM
JasonStebbins
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1997 ZJ 
 
Join Date: Jan 2009
Posts: 3,138
Sounds like it isn't getting enough fuel. Do you know when the fuel pump/filter was changed last?

Poop
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post #18 of 20 Old 04-15-2012, 10:26 AM Thread Starter
Bannerman53
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1996 ZJ 
 
Join Date: Feb 2012
Location: Wilmington
Posts: 73
HAvent changed the fuel filter in a long time, if ever.
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post #19 of 20 Old 04-15-2012, 10:31 AM
JasonStebbins
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1997 ZJ 
 
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I would suggest swapping in a new fuel pump, but that's a pricey place to start

If it clears up somewhat after you hold the throttle, it seems like it's just not getting enough fuel at idle.

Poop
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post #20 of 20 Old 04-15-2012, 01:40 PM
booked101
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1997 ZJ 
 
Join Date: Apr 2012
Location: Hammond
Posts: 573
Maybe a dumb suggestion but you could try seafoam in your engine through the throttle body and see if that helps the idle problem.

good gas mileage is highly overrated.
(J)ust(E)mpty(E)very(P)ocket
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fuel filter , iac , MAP sensor , rough idle , tps

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